Wiki clustering: A wiki cluster comprehends a main wiki and a number of sub-wikis
Check for recent edit: Everytime the page that's being saved by a user has been saved by another user during the last x minutes, the text is sent back together with the recently saved text, allowing the user to merge their edits.
Allow/disallow different levels of Html tagging in wiki pages
Several new preferences (see CGI MAIN CONFIGURATION section)
Italian translation (but for CGI messages)
Put 'spacesruntotabs' at the beginning of wiki pages to convert 8-spaces strings to tabs
Modified many rendering details
These changes really need to be added to the main release...
UniToWiki